Photonic Microwave and RF Channelizers using Kerr Micro-combs

TL;DR

This paper reviews the development of broadband RF channelizers utilizing Kerr micro-combs and micro-ring resonators, highlighting their advantages in reducing complexity, size, and cost for microwave signal detection.

Contribution

It provides a comprehensive overview of recent advances in integrated optical Kerr micro-comb-based RF channelizers with specific channel spacings of 200GHz and 49GHz.

Findings

Micro-combs enable broadband RF channelization.

Micro-ring resonators facilitate passive filtering.

Potential for compact, cost-effective microwave detection devices.

Abstract

We review recent work on broadband RF channelizers based on integrated optical frequency Kerr micro-combs combined with passive micro-ring resonator filters, with microcombs having channel spacings of 200GHz and 49GHz. This approach to realizing RF channelizers offers reduced complexity, size, and potential cost for a wide range of applications to microwave signal detection.